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Income Taxes Reconciliation of Effective Tax Rate (Details)		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Federal statutory rate		21.00%	21.00%	21.00%
State and local income taxes, net of federal tax benefits		1.00%	3.00%	6.00%
Non-deductible equity compensation		(1.00%)	0.00%	1.00%
Non-deductible executive compensation		(4.00%)	(1.00%)	1.00%
Goodwill impairment		(5.00%)	(8.00%)	0.00%
Uncertain tax positions		0.00%	(1.00%)	0.00%
Tax credits (a)	[1]	6.00%	7.00%	0.00%
Net change in valuation allowance		(5.00%)	0.00%	0.00%
Other permanent differences		0.00%	(2.00%)	(1.00%)
Effective income tax rate		13.00%	19.00%	28.00%
[1] This item in 2022 includes a benefit related to the completion of a research tax credit study for tax years 2016 through 2022.

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- Definition

Effective Income Tax Rate Reconciliation, Nondeductible Expense, Executive Compensation [Concept] Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible executive compensation.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to uncertain tax positions.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to impairment loss.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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